Home / 3,260,439.80-4,890,659.70-1,577,713.40

Finding the Fourth Proportional to 3,260,439.80, 4,890,659.70 and 1,577,713.40

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Solution

The fourth proportional to 3,260,439.80, 4,890,659.70 and 1,577,713.40 is: 2,366,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260,439.80 : 4,890,659.70 = 1,577,713.40 : x
  2. Step 2: Convert to fraction form
    3,260,439.80/4,890,659.70 = 1,577,713.40/x
  3. Step 3: Cross multiply
    3,260,439.80x = 4,890,659.70 × 1,577,713.40
  4. Step 4: Simplify right side
    3,260,439.80x = 7,716,059,343,529.98
  5. Step 5: Solve for x
    x = 7,716,059,343,529.98/3,260,439.80
  6. Step 6: Final answer
    x = 2,366,570.10

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.